STEELCASE INC.

(Name of Issuer)

Class A Common Stock

(Title of Class of Securities)

858155203

(CUSIP Number)

December 31, 2005

(Date of Event Which Requires Filing of this Statement)

[   ]

Rule 13d-1(b)

[X]

Rule 13d-1(c)

[   ]

Rule 13d-1(d)

(1)

Names of Reporting Persons
I.R.S. Identification No. of Above Persons (Entities Only)

Peter M. Wege

(2)

Check the Appropriate Box if a Member of a Group
(a)     [   ]
(b)     [   ]

(3)

SEC Use Only

(4)

Citizenship or Place of Organization

United States of America

Number of Shares Beneficially Owned by Each Reporting Person With

(5)

Sole Voting Power

3,592,410 shares

(6)

Shared Voting Power

0 shares

(7)

Sole Dispositive Power

3,592,410 shares

(8)

Shared Dispositive Power

0 shares

(9)

Aggregate Amount Beneficially Owned by Each Reporting Person

14,573,513* shares

(10)

Check Box if the Aggregate Amount in Row (9) Excludes Certain Shares

[   ]

(11)

Percent of Class Represented by Amount in Row 9

19.2%*

(12)

Type of Reporting Person

IN

*

These numbers include: 485,400 Class A shares and 777,189 Class B shares held by the Peter Martin Wege Trust F/B/O Christopher Wege; 25,239 Class A shares and 1,800,050 Class B shares held by the Peter Martin Wege Trust F/B/O Diana Wege; 900,000 Class A shares and 1,267,189 Class B shares held by the Peter Martin Wege Trust F/B/O Johanna Osman; 385,050 Class A shares and 234,189 Class B shares held by the Peter Martin Wege Trust F/B/O Jonathan Wege; 2,807,189 Class B shares held by the Peter Martin Wege Trust F/B/O Mary Goodwille Nelson; 177,250 Class A shares and 669,569 Class B shares held by the Peter Martin Wege Trust F/B/O Peter M. Wege, II; and 583,220 Class A shares and 869,569 Class B shares held by the Peter Martin Wege Trust F/B/O Susan Carter. The reporting person disclaims beneficial ownership of these shares. Under these trusts, the reporting person has no ability to vote or direct the disposition of the shares; however, the reporting person can prevent any disposition of these shares by the independent trustees.

Item 1(a).

Name of Issuer:

Steelcase Inc.

Item 1(b).

Address of Issuer's Principal Executive Offices:

901 44^th Street
Grand Rapids, Michigan 49508

Item 2(a).

Name of Person Filing:

Peter M. Wege

Item 2(b).

Address of Principal Business Office or, if None, Residence:

P.O. Box 6388
Grand Rapids, Michigan 49516-6388

Item 2(c).

Citizenship:

United States of America

Item 2(d).

Title of Class of Securities:

Class A Common Stock

Item 2(e).

CUSIP Number:

858155-20-3

Item 3.

If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a:

(a)

[   ]

Broker or dealer registered under Section 15 of the Act;

(b)

[   ]

Bank as defined in Section 3(a)(6) of the Act;

(c)

[   ]

Insurance company as defined in Section 3(a)(19) of the Act;

(d)

[   ]

Investment company registered under Section 8 of the Investment Company Act;

(e)

[   ]

Investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);

(f)

[   ]

Employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);

(g)

[   ]

Parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G);

(h)

[   ]

Savings association as defined in Section 3(b) of the Federal Deposit Insurance Act;

(i)

[   ]

Church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act;

(j)

[   ]

Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

Item 4.

Ownership.

(a)

Amount Beneficially Owned:

14,573,513* shares

(b)

Percent of Class:

19.2%*

(c)

Number of shares as to which such person has:

(i)

Sole power to vote or to direct the vote

3,592,410 shares

(ii)

Shared power to vote or to direct the vote

0 shares

(iii)

Sole power to dispose or to direct the disposition of

3,592,410 shares

(iv)

Shared power to dispose or to direct the disposition of

0 shares

Item 5.

Ownership of Five Percent or Less of a Class.

Not Applicable

Item 6.

Ownership of More than Five Percent on Behalf of Another Person.

Of the shares reported in Item 4 above, 485,400 Class A shares and 777,189 Class B shares are held by the Peter Martin Wege Trust F/B/O Christopher Wege; 25,239 Class A shares and 1,800,050 Class B shares are held by the Peter Martin Wege Trust F/B/O Diana Wege; 900,000 Class A shares and 1,267,189 Class B shares are held by the Peter Martin Wege Trust F/B/O Johanna Osman; 385,050 Class A shares and 234,189 Class B shares are held by the Peter Martin Wege Trust F/B/O Jonathan Wege; 2,807,189 Class B shares are held by the Peter Martin Wege Trust F/B/O Mary Goodwille Nelson; 177,250 Class A shares and 669,569 Class B shares are held by the Peter Martin Wege Trust F/B/O Peter M. Wege, II; and 583,220 Class A shares and 869,569 Class B shares are held by the Peter Martin Wege Trust F/B/O Susan Carter. The named beneficiaries of these trusts have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities.

Item 7.

Identification and Classification of the Subsidiary Which
Acquired the Security Being Reported on by the Parent
Holding Company.

Not Applicable

Item 8.

Identification and Classification of Members of the Group.

Not Applicable

Item 9.

Notice of Dissolution of Group.

Not Applicable

Item 10.

Certifications.

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

February 14, 2006

/s/ Peter M. Wege